OpenTechnical

OT-2026-000027413

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000027413) never changes.

Identity and time

Publication numberOT-2026-000027413 · never reused
Internal UUID01a0ae72-6998-7c5c-ac02-2afb50c43716 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027413
StatusPUBLIC

Content hashes

Canonical text6b8c9f7b6810ce57210256d93c73201224b9e79912be85c2d3ea808e85e6de8c
Markdown171a9859f39333e397af57026d5c4d4ca48d95bc6d3de20f1003845d81003f87
PDF
Publication page80c5c67118344b44e9757f1d1a9db891ecd400275e8d083d290e888d82c9f537
Manifest9bc66070fe5abc4a74ee561e169a60e35380b154444d91426f60861caae7ab05

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturePooWSlR3RRY/S5qmvSQUTDs9o6LgAwSBmkV3jnBfFjukBzqU2ajF05XKDdoudOB/mA3mpfsNbHeyP7d/Db9mBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:50.415020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027413
observed 80c5c67118344b44e9757f1d1a9db891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.397777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027413/manifest.json
observed 9bc66070fe5abc4a74ee561e169a60e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.379519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027413/publication.md
observed 171a9859f39333e397af57026d5c4d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.357985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027413/publication.txt
observed 6b8c9f7b6810ce57210256d93c732012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.